197568073 has 2 divisors, whose sum is σ = 197568074. Its totient is φ = 197568072.

The previous prime is 197568013. The next prime is 197568121. The reversal of 197568073 is 370865791.

197568073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 181791289 + 15776784 = 13483^2 + 3972^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-197568073 is a prime.

It is not a weakly prime, because it can be changed into another prime (197568013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98784036 + 98784037.

It is an arithmetic number, because the mean of its divisors is an integer number (98784037).

Almost surely, 2^197568073 is an apocalyptic number.

It is an amenable number.

197568073 is a deficient number, since it is larger than the sum of its proper divisors (1).

197568073 is an equidigital number, since it uses as much as digits as its factorization.

197568073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 317520, while the sum is 46.

The square root of 197568073 is about 14055.8910425487. The cubic root of 197568073 is about 582.4235421883.

The spelling of 197568073 in words is "one hundred ninety-seven million, five hundred sixty-eight thousand, seventy-three".